====== GPIO ====== ===== ESD ===== ===== Power ===== ===== Connectors ===== ===== DRY\WET contacts ===== {{:wiki:if:gpio:dry_wet_contacts.jpg?640}} {{:wiki:if:gpio:dry.jpg?640}} ===== NAMUR ===== {{:wiki:if:gpio:namur.jpg?640}} {{:wiki:if:gpio:namur2.jpg?640}}